Nortel DMS-10 Series Installation, Operation And Maintenance Manual page 640

6-202 Section 060-INDP-610 Maintenance Procedures Guide
Figure 3-1
Four-Channel Communications (A17) PCA (NT6M85AA) options
Notes: 1. When used with digital data lines, make sure this pack is release 03 or later.
2. Jumpers J6, J7, J8, J9, and J10 may be on the reverse side of some PCAs.
297-6201-502 Standard 01.02 September 2000
J1 J2
J3 J4
J9
J8
J10
J6
J7